Combined writing instrument grip and eraser holder



FIG. 1 is a combined writing instrument grip and eraser holder showing my new design, the writing instrument and eraser being depicted by means of broken lines for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a top plan view;

FIG. 3 is a front elevational view;

FIG. 4 is a left side elevational view, the right side being a mirror image thereof;

FIG. 5 is a rear elevational view; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for an combined writing instrument grip and eraser holder, as shown and described. 